Description
SIERRA 10W30 4-Stroke Oil – 18-9420
Crafted from top-tier base stock and refined additives, this highly refined petroleum product is tailored to exceed the rigorous standards set by marine 4-stroke motor manufacturers. With outstanding anti-wear properties and friction reduction, it ensures maximum engine protection and longevity. Engineered to provide superior corrosion resistance and minimize sludge buildup, this oil maintains engine cleanliness for optimal efficiency. Its low-temperature viscosity enhances cold starting, making it reliable in diverse conditions. Certified to meet and surpass quality benchmarks, including API SJ, CF-2, CH-4, and NMMA FC-W.